Open-Close Principal - Good sample code

CircleNew.java

package sample.design.open.close.good;

/**
 * 
 * Distibution under GNU GENERAL PUBLIC LICENSE Version 2, June 1991
 * 
 * @author dmalalan
 * @created Apr 11, 2016 1:32:39 PM
 * 
 * @blog https://malalanayake.wordpress.com/
 */
public class CircleNew implements ShapeNew {

	public void draw() {
		System.out.println("[PRINT:Circle]");
	}
}

GraphicEditorNew.java

package sample.design.open.close.good;

/**
 * 
 * Distibution under GNU GENERAL PUBLIC LICENSE Version 2, June 1991
 * 
 * @author dmalalan
 * @created Apr 11, 2016 1:32:49 PM
 * 
 * @blog https://malalanayake.wordpress.com/
 */
public class GraphicEditorNew {

	public void drawShape(ShapeNew s) {
		System.out.println("[INIT:Canvas]");
		s.draw();
		System.out.println("[RENDER:Canvas]");
	}

	public static void main(String[] args) {
		GraphicEditorNew ge = new GraphicEditorNew();
		// Print circle
		CircleNew c = new CircleNew();
		ge.drawShape(c);

		// Print Rectangle
		RectangleNew rec = new RectangleNew();
		ge.drawShape(rec);
	}
}

RectangleNew.java

package sample.design.open.close.good;

/**
 * 
 * Distibution under GNU GENERAL PUBLIC LICENSE Version 2, June 1991
 * 
 * @author dmalalan
 * @created Apr 11, 2016 1:31:29 PM
 * 
 * @blog https://malalanayake.wordpress.com/
 */
public class RectangleNew implements ShapeNew {

	public void draw() {
		System.out.println("[PRINT:Rectangle]");
	}
}

ShapeNew.java

package sample.design.open.close.good;

/**
 * 
 * Distibution under GNU GENERAL PUBLIC LICENSE Version 2, June 1991
 * 
 * @author dmalalan
 * @created Apr 11, 2016 1:30:21 PM
 * 
 * @blog https://malalanayake.wordpress.com/
 */
public interface ShapeNew {
	
	public void draw();
}